Timetec Hynix IC 4GB Compatible for Apple DDR3 1333MHz PC3-10600 SODIMM Memory for Early/Late 2011 13/15/17 inch MacBook Pro, Mid 2010 and Mid/Late 2011 21.5/27 inch iMac, Mid 2011 Mac Mini (4GB) - Walmart.com
Crucial 8GB DDR3L-1333 SODIMM Memory for Mac - CT8G3S1339M" - Walmart.com
Corsair Mac Memory 4 GB (1 x 4 GB) DDR3-1333 SODIMM CL9 Memory (CMSA4GX3M1A1333C9) - PCPartPicker
Mac Pro Memory for Model 5.1 | DDR3 1333MHz | 8GBx4 | MacMemory.com
A-Tech 8GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch), Mac Mini (Mid 2011) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Module at Amazon.com
Timetec Hynix IC 32GB KIT(4x8GB) Compatible for Apple 27 inch Mid 2010 21.5/27 inch Mid 2011 iMac DDR3 1333MHz PC3-10600 CL9 204 Pin SODIMM Upgrade for iMac 11,3 iMac 12,1 iMac 12,